@other{https://resolver.caltech.edu/CaltechETD:etd-10302006-142840,
    title = "A Direct Method for Designing Optimal Control Systems That Are Insensitive to Arbitrarily Large Changes in Physical Parameters",
    year = "1978",
    url = "https://resolver.caltech.edu/CaltechETD:etd-10302006-142840",
    id = "record",
    doi = "10.7907/z992-rx27"
}